Blue Stream Fly Fishing
Fly Fishing Report for:

Boulder Creek - Above Barker Res - Colorado

Hatch Chart - Best Access/Spots - Local Fish - About

Water Flow Chart

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Using Water Flow Charts & Weather Reports: Begin with our water flow charts to grasp stream velocity and volume – look for stable or rising trends to pinpoint ideal fishing times. Learn to interpret sudden spikes or drops, which can indicate potential challenges. Next, consult our weather reports to understand ambient conditions. Pairing the two, you can anticipate fish behavior, choose the right gear, and select the best fishing spots. Use these tools together for a holistic approach to your next fishing adventure.

In-Depth Weather

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Directions To Location

Hatch Chart

Month Hatch Time of Day Recommended Fly Sizes Popular Fly Patterns
January Midges Daylight hours 18-26 Griffith's Gnat, Zebra Midge
February Midges Daylight hours 18-26 Griffith's Gnat, Zebra Midge
March Midges, Baetis Daylight hours 18-26, 14-20 Griffith's Gnat, Zebra Midge, RS2
Stoneflies Morning to mid-afternoon 8-14 Stimulator, Chernobyl Ant
April Midges, Baetis Daylight hours 18-26, 14-20 Griffith's Gnat, Zebra Midge, RS2
Stoneflies Morning to mid-afternoon 8-14 Stimulator, Chernobyl Ant
Caddis Late afternoon to evening 12-18 X-Caddis, Elk Hair Caddis
May Caddis, Pale Morning Duns Late morning to afternoon 12-18, 14-20 Elk Hair Caddis, Sparkle Dun
June Caddis, Pale Morning Duns Late morning to afternoon 12-18, 14-20 Elk Hair Caddis, Sparkle Dun
July Caddis, Pale Morning Duns, Terrestrials All Day 10-18, 14-20 Elk Hair Caddis, Sparkle Dun, Hopper Patterns
August Caddis, Terrestrials All Day 10-18 Elk Hair Caddis, Hopper Patterns, Beatle Patterns
September Terrestrials, Tricos Morning to evening 10-18, 20-24 Hopper Patterns, Beatle Patterns, Trico Spinner
October Midges, Baetis Daylight hours 18-26, 14-20 Griffith's Gnat, Zebra Midge, RS2
Caddis Late afternoon to evening 12-18 X-Caddis, Elk Hair Caddis
November Midges, Baetis Daylight hours 18-26, 14-20 Griffith's Gnat, Zebra Midge, RS2
December Midges Daylight hours 18-26 Griffith's Gnat, Zebra Midge

While we strive to ensure the precision of our hatch charts, some reflect broader river region insights. Through ongoing partnerships with local guides and fly shops, we’re committed to refining our data. Should you notice any inconsistencies or have feedback, we welcome you to reach out. 

Best Fishing Spots

Fly fishing in Boulder Creek – Above Barker Reservoir offers a variety of ideal spots, each with their own unique experiences:

  • Canyon Mouth: At the start of the canyon, this spot is accessible and offers a variety of fish species.
  • Four Mile Creek: Located west of Boulder, this tributary also provides excellent fly fishing opportunities.
  • Eleven Mile Canyon: With its gold-medal waters, this is undoubtedly one of the best spots for anglers looking for a challenge.

An important part of an enjoyable fly fishing journey, brings us to the rules and regulation:

  1. Permits & Licenses: Ensure you possess the necessary permits. Colorado law requires anyone 16 years and older to have a fishing license.
  2. Limits & Restrictions: Understand the daily catch and possession limits for the area you are fishing in.
  3. Etiquette: Practice respect towards other anglers and the environment, follow ‘Catch and Release’ practices, as required.

Best Access Points

Boulder Creek, located above Barker Reservoir, provides a superb environment for fly-fishing. Here are the best access points:

  • Fourmile Canyon: This location, just west of Boulder city, boasts deep pools and trout.
  • Gregory Canyon: Easily accessible from Boulder, this area has a good fish population.
  • Boulder Canyon: Favored by many for its fast-running waters and abundance of large fish.

To enhance your fishing experience, try these points:

  1. The Diversion Dam: One miles west of Broadway in Boulder, offers excellent fishing opportunities.
  2. The Foot of Canyon: Accessible from the foot of Canyon Boulevard and a stone’s throw from Downtown Boulder.
  3. Eben G. Fine Park: Provides public fishing access point and a beautiful spot to fish.

Local Fish

  • Trout: This is the most common fish found in Boulder Creek, and it includes several subspecies such as Brown Trout, Brook Trout, and Rainbow Trout.
  • Cutthroat: Named after the reddish-orange streaks on its throat, this native Colorado fish is a popular target for local fly fishers.
  • Greenback Cutthroat: This is a subspecies of Cutthroat and is Colorado’s state fish.
  • Mountain Whitefish: Despite not being very colorful, these fish are fun to catch and give a tricky fight.
  • Pike: The Creek hosts northern pike, which are aggressive and fun to target using fly fishing techniques.
  • Yellow Perch: These are loved for their bright color and they are often found in the slower sections of the creek.
  • Rocky Mountain Sculpin: Though small and odd-looking, these are tasty and are a favorite among local anglers.
  • Carp: These are often underrated; however, catching them is a true challenge and thrill for any fly fisher.

About The River

The Boulder Creek is a charming creek that runs from the Rocky Mountains, specifically from the Continental Divide, all through Boulder city, and eventually into the Platte River. It’s a significant recreational hub, perfect for picnicking, fishing, and tubing.
The section Above Barker Reservoir is particularly special. This section envelops a beautiful nature spot called the Boulder Falls, a picturesque waterfall that creates an idyllic oasis hidden within the mountains. The history of the area is just as stunning as its views! It dates back to the 1850s during Colorado’s Gold Rush, when Barker Reservoir was built to provide water power for the mining operations.
  • 1853: Barker Brothers (the reservoir’s namesakes) start gold mining operations.
  • 1916: Northern Colorado Power Company builds the Barker Dam.
  • Present Day: Area serves as a thrilling locale for outdoor and nature enthusiasts.
This storied history adds a layer of depth to the journeys of locals and tourists alike, making any visit to Boulder Creek – Above Barker Res an unforgettable experience.
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